Welcome to the community! If your unsure about your powerhead, I've seen people add a second one on the opposite side of the tank, but I'm super new as well and I'd use the search feature in the top right hand corner to see if anyone else has run into the issue you're having. Did you start off with frags to grow for your soft coral? I know that every place I've read it says 'patience is key' when growing and I'm not very patient ha-ha.